I am after information on doing a Lat Pull Down in the closed width (supernated) closed width grip seated for an assessment. It is for the concentric phase only. I need to know: - the joints that are involved in this activity,- the joint types, - the bones involved in this movement,- the action occuring at each joint,- the muscles that cause each movement,- the origin of each muscle,- the insertion of each muscle.

Sounds like a school assigment? Shouldn't that be done for you to learn something and think for yourself?For this assigment, you have to understand the anatomy of the whole Upper body. Including Thoracic Spine, Scapulae, Acromion, Clavicle, The glenoid fossa, coracoideus process, humerus. It's not too easy. The shoulder area and it's movements are one of the most complicated things in human anatomy. There are so many things that you should know.

For joints, there is atleast 6 different joint working. Bones (What an odd question. What bones are used in exercise? huh?) Well, I don't dare to count the many bones and joints on the wrist or hand, so very many. Muscles, God, Very plenty. Atleast 12 or more. Once again, you have to consider the whole upper back. Scapulae are active, shoulders are active, the elbow is active, even the wrist.

I've done this stuff myself. And I must point out that it's very crucial to know atleast the basics of these things. AND actually learning them. The joints and muscles around the shoulders are very injury prone. Plus it would be nice to have a little knowledge about where some muscles come and where they attach. It helps to figure some exercises and it helps to fix the form.

Maybe you could have posted the answers and then we would have seen if you got it right? It's just that some people don't like the idea of dudes coming here wanting straigth answers to school assigments. Especially as specifically and widely as you wanted. I'm not saying you were doing that, but your opening post sure as hell made it look like so. "Please tell me accurately about every upper body muscle, I also want to know the insertions, origos and all the joints and bones involved?" That's just not cool.

We get posts like that on a regular basis. Let's just point them to the needed reference material. Even a "let me google that for you" link would be perfectly fine, as a little sarcasm wouldn't be at all out of place. Don't get carried away though.

_________________Stu Ward_________________Let thy food be thy medicine, and thy medicine be thy food.~HippocratesStrength is the adaptation that leads to all other adaptations that you really care about - Charles Staley_________________Thanks TimD

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